When the number of students of a school was increased by 30%it became 455.find the previous number of students

Question

asked Jul 6, 2021 27.6k views

1 Answer

Markvandencorput · Answer 1 · 2021-07-12T23:21:49+0000

Answer:

The previous number of students are 350.

Explanation:

Let the number of students be 100x.

(100+30)/(100) x = 455

Simplify.

(130)/(100) x = 455

Find x.

(100)/(100) x =
(100)/(130) × 455

Simplify.

x = 350